CN113336428A - Quartz tube bending device and method - Google Patents
Quartz tube bending device and method Download PDFInfo
- Publication number
- CN113336428A CN113336428A CN202110511144.3A CN202110511144A CN113336428A CN 113336428 A CN113336428 A CN 113336428A CN 202110511144 A CN202110511144 A CN 202110511144A CN 113336428 A CN113336428 A CN 113336428A
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- quartz tube
- pipe
- clamping
- quartz
- positioning
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/04—Re-forming tubes or rods
- C03B23/06—Re-forming tubes or rods by bending
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/04—Re-forming tubes or rods
- C03B23/043—Heating devices specially adapted for re-forming tubes or rods in general, e.g. burners
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/04—Re-forming tubes or rods
- C03B23/045—Tools or apparatus specially adapted for re-forming tubes or rods in general, e.g. glass lathes, chucks
Abstract
The invention discloses a quartz tube bending device and a quartz tube bending method, and aims to overcome the defects that the quartz tube bending operation is inconvenient and the bending effect is poor. The quartz tube bending machine comprises a machine base, a pressure stabilizing mechanism and a bent tube driving mechanism, wherein a positioning rod is arranged on the machine base, a movable adjusting block is arranged on the positioning rod, a positioning hole is formed in the adjusting block, and a quartz tube and the positioning hole are movably inserted together; the pressure stabilizing mechanism comprises a pressure stabilizing tank, an air pipe and an installation seat, the installation seat is installed on the base, the quartz pipe is installed on the installation seat, the air pipe is communicated with the pressure stabilizing tank, the air pipe is communicated with one end of the quartz pipe, and the other end of the quartz pipe is connected with a sealing plug; the elbow driving mechanism comprises a rotating shaft and a clamping piston cylinder, a telescopic rod of the clamping piston cylinder is connected with a clamping push block, an elbow groove is formed in the outer wall of the rotating shaft, and a quartz tube is clamped between the elbow groove and the clamping push block. The quartz tube bending device facilitates the bending operation of the quartz tube, has good bending effect and is beneficial to improving the working efficiency.
Description
Technical Field
The invention relates to a quartz tube bending technology, in particular to a quartz tube bending device and a quartz tube bending method.
Background
At present, with the rapid development of the IC industry, the semiconductor device manufacturing industry is becoming mature, and the quartz glass product is an important component product in the semiconductor device, and the demand is increasing. Because the quartz glass has a series of characteristics of high hardness, high purity, low thermal expansion coefficient, electric insulation and the like, the processing technology is very strict, particularly, the precision-firing bent tube process is mostly the traditional manual operation, the precision-firing qualification rate and efficiency are generally low, and the requirement on the skill level of operators is higher. The quartz tube type number among the semiconductor device is changeable, and quartzy smart fever return bend has brought very big operational difficulty especially for operating personnel, and the quartz tube is because the model is many, and the size requirement is high, and the return bend required time is long, and the quartz tube smart fever return bend is yielding, and the return bend is efficient to cause high and the unstable quality of manufacturing cost.
Disclosure of Invention
In order to overcome the defects, the invention provides the quartz tube bending device and the quartz tube bending method, which are convenient for the bending operation of the quartz tube, have good bending effect and are beneficial to improving the working efficiency.
In order to solve the technical problems, the invention adopts the following technical scheme: a quartz tube bending device comprises a machine base, a pressure stabilizing mechanism and a tube bending driving mechanism, wherein the pressure stabilizing mechanism and the tube bending driving mechanism are arranged on the machine base; the pressure stabilizing mechanism comprises a pressure stabilizing tank, an air pipe and an installation seat, the installation seat is installed on the base, the quartz pipe is installed on the installation seat, the air pipe is communicated with the pressure stabilizing tank, the air pipe is communicated with one end of the quartz pipe, and the other end of the quartz pipe is connected with a sealing plug; the elbow driving mechanism comprises a rotating shaft and a clamping piston cylinder which are connected together, a telescopic rod of the clamping piston cylinder is connected with a clamping push block, an elbow groove is formed in the outer wall of the rotating shaft, the clamping push block and the elbow groove are arranged correspondingly, and a quartz tube is clamped between the elbow groove and the clamping push block.
When the quartz tube is bent, the method comprises the following steps: s1, mounting a quartz tube between the mounting seat and the adjusting block, wherein one end of the quartz tube extends out of the mounting seat, and the other end of the quartz tube is clamped between the clamping pushing block and the bent tube groove; s2, inserting a sealing plug into one end of the quartz tube, inserting an air tube into the other end of the quartz tube, and pressurizing the quartz tube through a pressure stabilizing tank to enable the quartz tube to be in a stable positive pressure state; s3, opening a welding gun to preheat the quartz tube, and finely burning the tube region to be bent of the quartz tube at high temperature by using the welding gun; s4, bending the pipe by rotating the rotating shaft; s5, clamping the telescopic rod of the piston cylinder to return, pulling the air pipe out of the quartz tube, taking the quartz tube down, and finally pulling out the sealing plug at the end of the quartz tube.
When the quartz tube is bent, one end of the quartz tube is clamped between the clamping push block and the bent tube groove, the other end of the quartz tube is installed on the installation seat, and the quartz tube is inserted into the positioning hole in the adjusting block, so that the quartz tube is stably and reliably positioned in the tube bending process. The adjusting block is movably arranged on the positioning rod, so that the installation position can be conveniently adjusted, and the distance between the adjusting block and the rotating shaft can be adjusted to adapt to different bent pipe lengths of the quartz pipe. The sealing plug is connected to quartz capsule one end, and the trachea is connected to the other end, makes and forms stable malleation in the quartz capsule, realizes that intraductal high temperature finish firing deformation is controllable, prevents that the return bend position of quartz capsule from warping too greatly, causes the product to scrap. The quartz tube bending device facilitates the bending operation of the quartz tube, has good bending effect and is beneficial to improving the working efficiency.
Preferably, the base is provided with a slide rail corresponding to the mounting seat, and the mounting seat is slidably mounted on the slide rail.
The mounting seat is arranged on the sliding rail and can be arranged in a sliding mode, offset allowance is provided for the quartz tube bending operation process, certain deflection is achieved when the quartz tube is subjected to stress bending, and the quartz tube is prevented from being broken due to the fact that the quartz tube is stressed hard to touch the mounting seat.
Preferably, the mounting seat is provided with a positioning sleeve corresponding to the quartz tube, a buffer ring is arranged in the positioning sleeve, and the quartz tube and the buffer ring are sleeved together. When the quartz tube bends the skew of pipe process emergence, the buffering ring has played the buffering guard action to the quartz tube.
Preferably, two supports are arranged on the machine base, two ends of the positioning rod are respectively connected to the two supports, positioning rings are arranged on two sides of the adjusting block on the positioning rod, and locking screws are connected between the positioning rings and the positioning rod.
The positioning rod is connected between the two supports, and the connection is convenient and reliable. The locking screw plays a good role in positioning the positioning ring.
Preferably, the bent pipe groove and the clamping push block are relatively provided with mounting grooves, positioning blocks are mounted in the mounting grooves, positioning grooves are formed in the positioning blocks, clamping grooves are correspondingly formed in the clamping push block and the positioning grooves, and the positioning grooves and the clamping grooves are both of inwards concave arc structures. The quartz tube is clamped between the positioning groove and the clamping groove, and is stable and reliable.
Preferably, the base is fixedly connected with the rotating shaft seat, the rotating shaft is rotatably installed on the rotating shaft seat, the upper end of the rotating shaft is provided with an upper limiting plate and a lower limiting plate, the clamping push block is arranged between the upper limiting plate and the lower limiting plate, and the clamping piston cylinder is fixedly installed between the upper limiting plate and the lower limiting plate.
The upper limiting plate and the lower limiting plate facilitate installation of the clamping piston cylinder, and the clamping push block is arranged between the upper limiting plate and the lower limiting plate and moves accurately and reliably.
Preferably, the lower end of the rotating shaft is connected with a torsion sensor, and the torsion sensor is installed on the base. The torsion sensor is arranged to control the torsion of the rotating shaft, so that damage to the quartz tube due to overlarge torsion is prevented.
Preferably, the clamping push block is made of graphite. The graphite material has high temperature resistance, corrosion resistance and lubricating property, and is beneficial to the bending operation of the quartz tube.
Preferably, a deviation rectifying cylinder is installed on the slide rail, a piston is installed in the deviation rectifying cylinder, a mandril is connected to the piston, the piston abuts against one end of the deviation rectifying cylinder, and the mandril is attached to the installation seat; the deviation rectifying cylinder is communicated with an air inlet pipe and an air outlet pipe, the air inlet pipe is communicated with the pressure stabilizing tank, an air inlet valve is installed on the air inlet pipe, and an air outlet valve is installed on the air outlet pipe.
The quartz tube bends the tube, the mounting base deflects on the slide rail, the air inlet valve is closed, the exhaust valve is opened, the ejector rod is pushed by the mounting base, and the piston connected with the ejector rod moves in the deviation correcting barrel to discharge the gas in the deviation correcting barrel through the exhaust pipe. After the elbow pipe stall is accomplished in the pivot, the admission valve is opened, and discharge valve closes, and atmospheric pressure in the surge tank promotes the piston and moves the return, and the ejector pin promotes the mount pad and moves the return to make the quartz capsule reverse deflection return, realize rectifying, guaranteed the precision of quartz capsule elbow pipe.
A quartz tube bending method adopts a quartz tube bending device to perform quartz tube bending operation, and comprises the following steps: s1, mounting a quartz tube between the mounting seat and the adjusting block, wherein one end of the quartz tube extends out of the mounting seat, and the other end of the quartz tube is clamped between the clamping pushing block and the bent tube groove; s2, inserting a sealing plug into one end of the quartz tube, inserting an air tube into the other end of the quartz tube, and pressurizing the quartz tube through a pressure stabilizing tank to enable the quartz tube to be in a stable positive pressure state; s3, opening a welding gun to preheat the quartz tube, and finely burning the tube region to be bent of the quartz tube at high temperature by using the welding gun; s4, bending the pipe by rotating the rotating shaft; s5, clamping the telescopic rod of the piston cylinder to return, pulling the air pipe out of the quartz tube, taking the quartz tube down, and finally pulling out the sealing plug at the end of the quartz tube. The bending pipe of the quartz pipe is convenient to operate, the bending pipe is good in effect, and the working efficiency is improved.
Compared with the prior art, the invention has the beneficial effects that: the bending pipe of the quartz pipe is convenient to operate, the bending pipe is good in effect, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the mounting structure of the quartz tube of the present invention;
FIG. 3 is a schematic view of the mounting structure of the spindle of the present invention;
FIG. 4 is a schematic structural view of embodiment 2 of the present invention;
in the figure: 1. the device comprises a base, 2, a pressure stabilizing mechanism, 3, a bent pipe driving mechanism, 4, a positioning rod, 5, an adjusting block, 6, a pressure stabilizing tank, 7, an air pipe, 8, a mounting seat, 9, a rotating shaft, 10, a clamping piston cylinder, 11, a clamping push block, 12, a bent pipe groove, 13, a quartz tube, 14, an air pressure pump, 15, a sliding rail, 16, a sliding part, 17, a connecting part, 18, a positioning sleeve, 19, a buffering ring, 20, a support, 21, a positioning ring, 22, a positioning block, 23, a positioning groove, 24, a clamping groove, 25, a rotating shaft seat, 26, an upper positioning plate, 27, a lower positioning plate, 28, a torque sensor, 29, a servo motor, 30, a driving wheel, 31, a driven wheel, 32, a bent pipe wheel, 33, a deviation rectifying cylinder, 34, a piston, 35, a push rod, 36, an air inlet pipe, 37, an exhaust pipe, 38, an air inlet valve, 39 and an exhaust valve.
Detailed Description
The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:
example 1: a quartz tube bending device (see attached figures 1 to 3) comprises a base 1, a pressure stabilizing mechanism 2 and a tube bending driving mechanism 3, wherein the pressure stabilizing mechanism 2 and the tube bending driving mechanism 3 are installed on the base; the pressure stabilizing mechanism comprises a pressure stabilizing tank 6, an air pipe 7 and an installation seat 8, the installation seat is installed on the base, the quartz pipe is installed on the installation seat, the air pipe is communicated with the pressure stabilizing tank, the air pipe is communicated with one end of the quartz pipe, and the other end of the quartz pipe is connected with a sealing plug; the elbow driving mechanism comprises a rotating shaft 9 and a clamping piston cylinder 10 which are connected together, a telescopic rod of the clamping piston cylinder is connected with a clamping push block 11, an elbow groove 12 is formed in the outer wall of the rotating shaft, the clamping push block and the elbow groove are correspondingly arranged, and a quartz tube 13 is clamped between the elbow groove and the clamping push block. The end part of the air pipe is connected with a connecting plug which is inserted in the quartz tube, and the air pipe is a hose.
The surge tank is connected to an air-pressure pump 14 which supplies pressure to the surge tank. The base is provided with a slide rail 15 corresponding to the mounting seat, and the mounting seat is slidably mounted on the slide rail. The mount pad includes sliding part 16, connecting portion 17, and sliding part and slide rail adaptation are connected, and the quartz capsule is connected on connecting portion. The mounting seat is provided with a positioning sleeve 18 corresponding to the quartz tube, a buffer ring 19 is arranged in the positioning sleeve, and the quartz tube and the buffer ring are sleeved together. Two supports 20 are arranged on the machine base, two ends of the positioning rod are respectively connected to the two supports, positioning rings 21 are arranged on two sides of the adjusting block on the positioning rod, and locking screws are connected between the positioning rings and the positioning rod.
The bent pipe groove and the clamping push block are oppositely provided with mounting grooves, positioning blocks 22 are mounted in the mounting grooves, positioning grooves 23 are formed in the positioning blocks, clamping grooves 24 are correspondingly formed in the clamping push block and the positioning grooves, and the positioning grooves and the clamping grooves are both of inwards concave arc structures. The bottom surface of the positioning groove is tangent with the bottom surface of the bent pipe groove. The frame is fastened and connected with a rotating shaft seat 25, the rotating shaft is rotatably installed on the rotating shaft seat, an upper limiting plate 26 and a lower limiting plate 27 are installed at the upper end of the rotating shaft, a clamping push block is arranged between the upper limiting plate and the lower limiting plate, and a clamping piston cylinder is tightly installed between the upper limiting plate and the lower limiting plate. The lower end of the rotating shaft is connected with a torque sensor 28 which is arranged on the machine base. A servo motor 29 is arranged on the machine base, a driving wheel 30 is arranged on an output shaft of the servo motor, a driven wheel 31 is connected to the lower end of the rotating shaft, and belt transmission is carried out between the driving wheel and the driven wheel. The clamping push block is made of graphite. The upper end of the rotating shaft is provided with a pipe bending wheel 32, the pipe bending groove is arranged on the outer wall of the pipe bending wheel, and the positioning block is arranged on the pipe bending wheel. Slide rail, locating lever level set up, and the slide rail is perpendicular with the locating lever, the vertical setting of pivot, and the clamping piston cylinder is the cylinder. The base is provided with a controller, and the servo motor, the air pressure pump and the torsion sensor are electrically connected with the controller.
A quartz tube bending method adopts a quartz tube bending device to perform quartz tube bending operation, and comprises the following steps: s1, mounting a quartz tube between the mounting seat and the adjusting block, wherein one end of the quartz tube extends out of the mounting seat, and the other end of the quartz tube is clamped between the clamping pushing block and the bent tube groove; s2, inserting a sealing plug into one end of the quartz tube, inserting an air tube into the other end of the quartz tube, and pressurizing the quartz tube through a pressure stabilizing tank to enable the quartz tube to be in a stable positive pressure state; s3, holding a welding gun by hand, opening the welding gun to preheat the quartz tube, and finely burning the tube region to be bent of the quartz tube at high temperature by using the welding gun; s4, the controller controls the servo motor to rotate, so that the rotating shaft is driven to rotate to bend the pipe, and the rotation angle of the servo motor is accurately controlled, so that the angle of the bent pipe is accurately controlled; s5, clamping the telescopic rod of the piston cylinder to return, pulling the air pipe out of the quartz tube, taking the quartz tube down, and finally pulling out the sealing plug at the end of the quartz tube.
Example 2: a quartz tube bending device (see figure 4) is similar to the structure of the embodiment 1, and mainly has the difference that a deviation rectifying cylinder 33 is installed on a slide rail in the embodiment, a piston 34 is installed in the deviation rectifying cylinder, a push rod 35 is connected to the piston, the piston abuts against one end of the deviation rectifying cylinder, and the push rod is attached to an installation seat; the deviation rectifying cylinder is communicated with an air inlet pipe 36 and an air outlet pipe 37, the air inlet pipe is communicated with the pressure stabilizing tank, an air inlet valve 38 is arranged on the air inlet pipe, and an air outlet valve 39 is arranged on the air outlet pipe. And the air inlet valve and the exhaust valve are both electromagnetic valves and are electrically connected with the controller. The other structure is the same as embodiment 1.
The quartz tube bends the tube, the mounting base deflects on the slide rail, the air inlet valve is closed, the exhaust valve is opened, the ejector rod is pushed by the mounting base, and the piston connected with the ejector rod moves in the deviation correcting barrel to discharge the gas in the deviation correcting barrel through the exhaust pipe. After the elbow pipe stall is accomplished in the pivot, the admission valve is opened, and discharge valve closes, and atmospheric pressure in the surge tank promotes the piston and moves the return, and the ejector pin promotes the mount pad and moves the return to make the quartz capsule reverse deflection return, realize rectifying, guaranteed the precision of quartz capsule elbow pipe.
And in the steps from S1 to S3, the air inlet valve is opened, the exhaust valve is closed, the piston abuts against one end of the deviation rectifying cylinder, and the ejector rod is attached to the mounting seat. In step S4, the intake valve is closed and the exhaust valve is opened. After the step S4 is finished and before the step S5, the air inlet valve is opened, the exhaust valve is closed, the air pressure in the pressure stabilizing tank pushes the piston to move and return, and the ejector rod pushes the mounting seat to move and return, so that the quartz tube deflects reversely and returns to realize deviation correction.
The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the appended claims.
Claims (10)
1. A quartz tube bending device is characterized by comprising a machine base, a pressure stabilizing mechanism and a tube bending driving mechanism, wherein the pressure stabilizing mechanism and the tube bending driving mechanism are arranged on the machine base; the pressure stabilizing mechanism comprises a pressure stabilizing tank, an air pipe and an installation seat, the installation seat is installed on the base, the quartz pipe is installed on the installation seat, the air pipe is communicated with the pressure stabilizing tank, the air pipe is communicated with one end of the quartz pipe, and the other end of the quartz pipe is connected with a sealing plug; the elbow driving mechanism comprises a rotating shaft and a clamping piston cylinder which are connected together, a telescopic rod of the clamping piston cylinder is connected with a clamping push block, an elbow groove is formed in the outer wall of the rotating shaft, the clamping push block and the elbow groove are arranged correspondingly, and a quartz tube is clamped between the elbow groove and the clamping push block.
2. The apparatus according to claim 1, wherein the base has a rail corresponding to the mounting seat, and the mounting seat is slidably mounted on the rail.
3. The apparatus according to claim 1, wherein the mounting base is provided with a positioning sleeve corresponding to the quartz tube, a cushion ring is mounted in the positioning sleeve, and the quartz tube and the cushion ring are sleeved together.
4. The apparatus according to claim 1, wherein the base has two supports, the positioning rod is connected to the two supports at opposite ends thereof, the positioning rod has a positioning ring mounted to each of opposite sides of the adjusting block, and a locking screw is connected between the positioning ring and the positioning rod.
5. The quartz tube bending device according to claim 1, wherein a mounting groove is formed in the bending groove opposite to the clamping pusher, a positioning block is mounted in the mounting groove, a positioning groove is formed in the positioning block, a clamping groove is formed in the clamping pusher and corresponds to the positioning groove, and the positioning groove and the clamping groove are both concave arc-shaped.
6. The quartz tube bending device as claimed in claim 1, wherein the base is fixedly connected with a rotating shaft seat, the rotating shaft is rotatably mounted on the rotating shaft seat, an upper limit plate and a lower limit plate are mounted at the upper end of the rotating shaft, the clamping push block is arranged between the upper limit plate and the lower limit plate, and the clamping piston cylinder is fixedly mounted between the upper limit plate and the lower limit plate.
7. The apparatus according to claim 1, wherein the lower end of the shaft is connected to a torsion sensor, and the torsion sensor is mounted on the base.
8. The quartz tube bending device as claimed in any one of claims 1 to 7, wherein the clamping pushing block is made of graphite.
9. The quartz tube bending device as claimed in claim 2, wherein the slide rail is provided with a deviation rectifying cylinder, a piston is arranged in the deviation rectifying cylinder, the piston is connected with a mandril, the piston abuts against one end of the deviation rectifying cylinder, and the mandril is attached to the mounting seat; the deviation rectifying cylinder is communicated with an air inlet pipe and an air outlet pipe, the air inlet pipe is communicated with the pressure stabilizing tank, an air inlet valve is installed on the air inlet pipe, and an air outlet valve is installed on the air outlet pipe.
10. A method for bending a quartz tube, characterized in that the quartz tube bending apparatus according to any one of claims 1 to 9 is used for performing a quartz tube bending operation, comprising the steps of: s1, mounting a quartz tube between the mounting seat and the adjusting block, wherein one end of the quartz tube extends out of the mounting seat, and the other end of the quartz tube is clamped between the clamping pushing block and the bent tube groove; s2, inserting a sealing plug into one end of the quartz tube, inserting an air tube into the other end of the quartz tube, and pressurizing the quartz tube through a pressure stabilizing tank to enable the quartz tube to be in a stable positive pressure state; s3, opening a welding gun to preheat the quartz tube, and finely burning the tube region to be bent of the quartz tube at high temperature by using the welding gun; s4, bending the pipe by rotating the rotating shaft; s5, clamping the telescopic rod of the piston cylinder to return, pulling the air pipe out of the quartz tube, taking the quartz tube down, and finally pulling out the sealing plug at the end of the quartz tube.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110511144.3A CN113336428B (en) | 2021-05-11 | 2021-05-11 | Quartz tube bending device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110511144.3A CN113336428B (en) | 2021-05-11 | 2021-05-11 | Quartz tube bending device and method |
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| CN113336428A true CN113336428A (en) | 2021-09-03 |
| CN113336428B CN113336428B (en) | 2022-10-25 |
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| CN202110511144.3A Active CN113336428B (en) | 2021-05-11 | 2021-05-11 | Quartz tube bending device and method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU645945A1 (en) * | 1976-09-01 | 1979-02-05 | Орловское Государственное Специальное Проектно-Конструкторское Бюро | Method of bending glass pipes |
| US4223543A (en) * | 1978-04-14 | 1980-09-23 | Kabushiki Kaisha Chuck Seisakusho | Small size, portable bender |
| CN101047106A (en) * | 2007-04-13 | 2007-10-03 | 潘昌贵 | Tube bender of energy-saving tube screw tube bending machine |
| CN207914373U (en) * | 2018-03-07 | 2018-09-28 | 安徽省海力机床制造有限公司 | A kind of swan neck system being exclusively used in bender stringing |
| CN109013786A (en) * | 2018-05-31 | 2018-12-18 | 浙江长兴和良智能装备有限公司 | A kind of angle pipe equipment and its chipless rotary cutting apparatus |
| CN212352875U (en) * | 2020-06-08 | 2021-01-15 | 天津满华管材有限公司 | Pipe bender for PE pipes |
| CN112705597A (en) * | 2020-11-24 | 2021-04-27 | 马鞍山天哲环保科技有限公司 | Pipe bending mechanism for hardware pipe machining and working method thereof |
-
2021
- 2021-05-11 CN CN202110511144.3A patent/CN113336428B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU645945A1 (en) * | 1976-09-01 | 1979-02-05 | Орловское Государственное Специальное Проектно-Конструкторское Бюро | Method of bending glass pipes |
| US4223543A (en) * | 1978-04-14 | 1980-09-23 | Kabushiki Kaisha Chuck Seisakusho | Small size, portable bender |
| CN101047106A (en) * | 2007-04-13 | 2007-10-03 | 潘昌贵 | Tube bender of energy-saving tube screw tube bending machine |
| CN207914373U (en) * | 2018-03-07 | 2018-09-28 | 安徽省海力机床制造有限公司 | A kind of swan neck system being exclusively used in bender stringing |
| CN109013786A (en) * | 2018-05-31 | 2018-12-18 | 浙江长兴和良智能装备有限公司 | A kind of angle pipe equipment and its chipless rotary cutting apparatus |
| CN212352875U (en) * | 2020-06-08 | 2021-01-15 | 天津满华管材有限公司 | Pipe bender for PE pipes |
| CN112705597A (en) * | 2020-11-24 | 2021-04-27 | 马鞍山天哲环保科技有限公司 | Pipe bending mechanism for hardware pipe machining and working method thereof |
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